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Finding the Fourth Proportional to 29,440.96, 40,628.84 and 16,865.44

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Solution

The fourth proportional to 29,440.96, 40,628.84 and 16,865.44 is: 23,274.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,440.96 : 40,628.84 = 16,865.44 : x
  2. Step 2: Convert to fraction form
    29,440.96/40,628.84 = 16,865.44/x
  3. Step 3: Cross multiply
    29,440.96x = 40,628.84 × 16,865.44
  4. Step 4: Simplify right side
    29,440.96x = 685,223,263.29
  5. Step 5: Solve for x
    x = 685,223,263.29/29,440.96
  6. Step 6: Final answer
    x = 23,274.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.